modules/menusystem : add horizontal listbox

This commit is contained in:
Kazhnuz 2019-04-07 11:44:00 +02:00
parent 4d1d0a51e3
commit 714a20ca23

View file

@ -0,0 +1,110 @@
local cwd = (...):gsub('%.hlistbox$', '') .. "."
local Menu = require(cwd .. "parent")
local menuutils = require(cwd .. "widgets.utils")
local HListBox = Menu:extend()
function HListBox:new(menusystem, name, x, y, w, h, slotNumber)
self.view = {}
self.view.slotNumber = slotNumber
self.view.firstSlot = 1
HListBox.super.new(self, menusystem, name, x, y, w, h)
self.w = slotNumber * self.widget.w -- On fait en sorte que la hauteur
-- soit un multiple du nombre de slot et de leur hauteur
end
function HListBox:updateWidgetSize()
self.widget.h = self.h
self.widget.w = math.floor( self.w / self.view.slotNumber )
end
function HListBox:update(dt)
self:updateView()
end
function HListBox:updateView()
if self.widget.selected < self.view.firstSlot then
self.view.firstSlot = self.widget.selected
end
if self.widget.selected > self.view.firstSlot + self.view.slotNumber - 1 then
self.view.firstSlot = self.widget.selected - self.view.slotNumber + 1
end
if self.view.firstSlot < 1 then
self.view.firstSlot = 1
end
end
function HListBox:keyreleased(key, code)
if key == 'left' then
self:moveCursor(self.widget.selected - 1)
end
if key == 'right' then
self:moveCursor(self.widget.selected + 1)
end
if key == "A" then
if (self.widget.selected >= 1 and self.widget.selected <= #self.widget.list) then
self.widget.list[self.widget.selected]:action()
end
end
if key == "B" then
if (self.widget.cancel >= 1 and self.widget.cancel <= #self.widget.list) then
self.widget.list[self.widget.cancel]:action()
end
end
end
function HListBox:mousemoved(x, y)
local widget_selected = self.view.firstSlot + math.floor(x / self.widget.w)
if widget_selected >= 1 and widget_selected <= #self.widget.list then
self.widget.selected = widget_selected
self:getFocus()
end
end
function HListBox:mousepressed(x, y, button, isTouch)
local widget_selected = self.view.firstSlot + math.floor(x / self.widget.w)
if widget_selected >= 1 and widget_selected <= #self.widget.list then
self.widget.selected = widget_selected
self:getFocus()
if #self.widget.list > 0 then
self.widget.list[self.widget.selected]:action()
end
end
end
function HListBox:draw()
self:updateView()
local widgetx = self.x
for i,v in ipairs(self.widget.list) do
if (i >= self.view.firstSlot) and (i < self.view.firstSlot + self.view.slotNumber) then
v:draw(widgetx, self.y, self.widget.w, self.h)
if self.widget.selected == i and self:haveFocus() == true then
v:drawSelected(widgetx, self.y, self.widget.w, self.h)
else
v:draw(widgetx, self.y, self.widget.w, self.h)
end
widgetx = widgetx + self.widget.w
end
end
end
function HListBox:drawCursor()
self:updateView()
if (self.widget.selected >= 1 and self.widget.selected <= #self.widget.list) then
local w, h = self:getWidgetSize()
local x = (self.widget.selected - self.view.firstSlot) * w
menuutils.drawCursor(self.x + x,self.y, w, h)
end
end
return HListBox